Vertical plumb tool



FIG. 1 is a top, front, and left side perspective view of a verticalplumb tool showing my new design;

FIG. 2 is rear elevational view;

FIG. 3 is a right side elevational view;

FIG. 4 is a top plan view; and

FIG. 5 is a bottom plan view thereof.

The ornamental design for a vertical plumb tool, as shown and described.